Stochastic Dynamic Programming Applied to Hydrothermal Power Systems Operation Planning Based on the Convex Hull Algorithm

Table 5

Stage 2 expected costs.

Water storage (%)		100		50		0
Water inflow (hm^3)		17	13	17	13	17	13
Optimal decision	$x_{t+1}$	67	67	39.2	39.2	0	0
	$u$	50	50	27.8	27.8	17	13
	$t{g}_1$	0	0	20	20	20	20
	$t{g}_2$	0	0	0	0	9.7	13.3
	Uns	0	0	0	0	0	0
Immediate cost ($)		0.0	0.0	200.0	200.0	394.0	466.0
Future cost ($)		0.0	0.0	104.3	143.0	484.0	484.0
Mean optimal cost ($)		0.0		323.6		914.0